Home / 890,516.54-1,228,974.32-541,793.03

Finding the Fourth Proportional to 890,516.54, 1,228,974.32 and 541,793.03

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Solution

The fourth proportional to 890,516.54, 1,228,974.32 and 541,793.03 is: 747,711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,516.54 : 1,228,974.32 = 541,793.03 : x
  2. Step 2: Convert to fraction form
    890,516.54/1,228,974.32 = 541,793.03/x
  3. Step 3: Cross multiply
    890,516.54x = 1,228,974.32 × 541,793.03
  4. Step 4: Simplify right side
    890,516.54x = 665,849,715,834.60
  5. Step 5: Solve for x
    x = 665,849,715,834.60/890,516.54
  6. Step 6: Final answer
    x = 747,711.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.